123112066 has 32 divisors (see below), whose sum is σ = 231662592. Its totient is φ = 47668560.

The previous prime is 123112063. The next prime is 123112081. The reversal of 123112066 is 660211321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (123112063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23325 + ... + 28111.

It is an arithmetic number, because the mean of its divisors is an integer number (7239456).

Almost surely, 2^123112066 is an apocalyptic number.

123112066 is a deficient number, since it is larger than the sum of its proper divisors (108550526).

123112066 is a wasteful number, since it uses less digits than its factorization.

123112066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 123112066 is about 11095.5876815967. The cubic root of 123112066 is about 497.4699741986.

Adding to 123112066 its reverse (660211321), we get a palindrome (783323387).

The spelling of 123112066 in words is "one hundred twenty-three million, one hundred twelve thousand, sixty-six".